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I am using Net::LDAP in ruby to get person entity information like cn,department but I also want the list groups of which the user is member of , I tried using memberof attribute but it returns only one group example given below, but I am memver of multiple groups

{:cn=>"Garg, Puja",
 :title=>"Developer",
 :mail=>"Puja@abc.com",
 :samaccountname=>"pujagarg",
 :memberof=>"CN=DEVELOPER TEAM,OU=Distribution Groups,OU=_Global,OU=ABC,DC=int,DC=abc,DC=com"}
puja garg
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1 Answers1

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Solution 1:memberOf (in AD) is stored as a list of distinguishedNames. Your filter needs to be something like:

(&(objectCategory=user)(memberOf=cn=MyCustomGroup,ou=ouOfGroup,dc=subdomain,dc=domain,dc=com))

If you don't yet have the distinguished name, you can search for it with:

(&(objectCategory=group)(cn=myCustomGroup))

Example:

filter = "(&(objectClass=user)(sAMAccountName=#{username})(memberof=CN=group-name,OU=Linux Groups,OU=Linux))"

This example list the all the groups the user is part of.

More details refer this thread

Solution 2: Example using a modern ldapsearch command line tool:

ldapsearch --port 1389 --baseDn 'ou=people,dc=example,dc=com' \
     --sizeLimit 3 --searchScope one --bindDn 'cn=directory manager' \
     --bindPasswordFile ~/.pwdFile '(uid=user.0)' isMemberOf
dn: uid=user.0,ou=people,dc=example,dc=com
isMemberOf: cn=Dynamic Home Directories,ou=groups,dc=example,dc=com
isMemberOf: cn=bellevue,ou=groups,dc=example,dc=com
isMemberOf: cn=shadow entries,ou=groups,dc=example,dc=com
isMemberOf: cn=persons,ou=groups,dc=example,dc=com

This search response indicated that user.0 is a member of the listed groups. The above is a general explanation of one way to deal with group membership from an LDAP perspective.

Also refer this link for more details.

ShrutiJoshi-MT
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